<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			*{
				margin: 0;
				padding: 0;
			}
			
			.one{
				width: 50px;
				height: 40px;
				background-color: yellow;
				border: 1px solid black;
				margin-bottom: 15px ;
			}
			
			.two{
				width: 50px;
				height: 40px;
				background-color: blue;
				border: 1px solid black;

			}
		</style>
	</head>
	<body>
		<div class="one"></div>
		<div class="two"></div>
	</body>
</html>